Table 5

Average (±S.E.M.) water intake, caffeine intake, and plasma levels of caffeine in rats maintained on ad libitum or restricted diet

GroupFood AvailabilitynWater IntakeCaffeine IntakeCaffeine Plasma Levels
ml/kg/day mg/kg/day μg/ml
Water groupAd libitum10102  ± 8.2
0.25-CAFF groupAd libitum10107  ± 9.823.1  ± 1.01.45  ± 0.36
1.0-CAFF groupAd libitum1090.5  ± 6.681.9  ± 3.55.95  ± 1.13
Water groupRestricted661.8  ± 1.3
0.25-CAFF groupRestricted652.2  ± 1.412.8  ± 0.40.37  ± 0.12
1.0-CAFF groupRestricted643.3  ± 1.142.5  ± 1.11.82  ± 0.39
  • n, number of animals per group.